1,4
Eric Weisstein's World of Mathematics, Symmetric Graph
Sequence in context: A002033 A074206 A108466 this_sequence A117172 A029207 A111902
Adjacent sequences: A087142 A087143 A087144 this_sequence A087146 A087147 A087148
nonn,more
Eric Weisstein (eric(AT)weisstein.com), Aug 19, 2003
Corrected and extended by David Wasserman (wasserma(AT)spawar.navy.mil), Feb 14 2006
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